Commission Regulation (EU) No 515/2010 of 15 June 2010 amending Regulation (EC) No 1137/2007 as regards the use of the feed additive Bacillus subtilis (O35) in feed containing lasalocid sodium, maduramycin ammonium, monensin sodium, narasin, salinomycin sodium and semduramycin sodium (Text with EEA relevance)